Pal or NTSC

January 23, 2007 7:10am CST
I'm a photographer by hobby and also have quite an interest in computers. But for anything, I've never quite been able to understand why NTSC and PAL video formats exist. Why do different nations have to have a different format in which videos and created? Inspite of the globalization, why should there be a distinction in video formats used in different countries? If the reason is security, or detection of cyber crimes, then there exist so many number of converters which can convert from one form to another. Please clear up the matter for me ...
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